Ulanzi G9-4 Plastic Cage for GoPro 9/10/11/12/13

FeaturesCan be Connected to Filter--Standard buckle type 52mm filter adapter ring, external filter can be connected when needed. You can mount 52mm ND or CPL Filters.Lens Protective Cover Design--Snap-in protective cover, more convenient to storage.Rechargeable Battery Cover Design--Reserve a charging port that not only can replace the battery at any time but also can charge Hero 9/10/11/12 or connect an external microphone. Note: The original battery cover needs to be taken out before use.Microphone Booster Pad--With this cage, the Mic will not show up in the image when shootingStorage Compartment Design--With this microphone adapter storage compartment, your camera can be connected to an external microphoneWhat's in the box: plastic cage*1, ND filter adapter*1, lens protector*1, top up base*1Housing Cage for Hero 9/10/11/12, Ulanzi G9-4 Housing Cage Protective Case Frame Shell for Hero 9-4 with Cold Shoe Mount Compatible with Tripod Selfie StickHousing Cage for Hero 9/10/11/12, Ulanzi G9-4 Housing Cage Protective Case Frame Shell for Hero 9-4 with Cold Shoe Mount Compatible with Tripod Selfie Stick